[KRK-2026] Added a new organizer to the list (#15832)

Author: ivellios

assets/events/2026-krakow/organizers/grzesik.jpg

@@ -72,6 +72,9 @@ team_members: # Name is the only required field for team members.
     employer: "IBM"
     linkedin: "https://www.linkedin.com/in/piotr-godowski-4274091/"
     bio: "Piotr is a seasoned software architect working at IBM, currently focused on Hybrid Clouds management and software licensing in the containerized world. Passionate of IT technologies, including AI, cyber security, BI, IoT and distributed systems. Member of ISO/IEC Polish National Body, owner of several software patents."
+  - name: "Andrzej Grzesik"
+    image: "grzesik.jpg"
+    bio: "ags loves distributed systems in all shapes and forms. He has written software in many languages, and continuously finds JVM his favourite platform.He believes „most software problems are people problems”, so he stirrs communities (Polish JUG), organizes and speaks at conferences (proud to be a JavaONE Rockstar!). He is passionate about all things data, because science! In his spare time… cycling, photography and books. And he is a Java Champion!"
   - name: "Janusz Kamieński"
     linkedin: "https://www.linkedin.com/in/jakamienski/"
     employer: "Splunk - a Cisco company"